8. Germany-Denmark Fehmarn Belt Fixed Link
Situated between the German island of Fehmarn and the Danish island of Lolland
Founded in 2027
Price: $8.3 billion
An ambitious project that represents European unity and engineering expertise, the Fehmarn Belt Fixed Link is expected to be the longest submerged tunnel in the world. When this $8.3 billion tunnel is finished in 2027, travel between Denmark and Germany will be completely transformed.

Fixed Link Fehmarn Belt, Denmark-Germany Copyright: Oliver Foerstner, stock.adobe.com
It will become a major tourist destination, highlighting the wonders of contemporary construction in addition to improving trade and transit within the area. The project serves as a reminder of how crucial it is to fund infrastructure that unites people, promotes economic expansion, and facilitates travel across the center of Europe.
